package com.magic.auth.config;

import com.magic.common.utils.RsaUtils;
import lombok.Data;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.context.properties.ConfigurationProperties;

import javax.annotation.PostConstruct;
import java.io.File;
import java.security.PrivateKey;
import java.security.PublicKey;

/**
 * @author lan.jianyuan
 * @create 2021-01-31-22:40
 */
@ConfigurationProperties(prefix = "magic.jwt")
@Data
public class JwtProperties {
    
    private String secret; // 密钥
    
    private String pubKeyPath; // 公钥
    
    private String priKeyPath; // 私钥
    
    private int expire; // token过期时间
    
    private String cookieName;
    
    private PublicKey publicKey; // 公钥
    
    private PrivateKey privateKey; // 私钥
    
    private static final Logger logger = LoggerFactory.getLogger(JwtProperties.class);
    
    /**
     * @PostContruct：在构造方法执行之后执行该方法
     */
    @PostConstruct
    public void init() {
        try {
            File pubKey = new File(pubKeyPath);
            File priKey = new File(priKeyPath);
            if (!pubKey.exists() || !priKey.exists()) {
                // 生成公钥和私钥
                RsaUtils.generateKey(pubKeyPath, priKeyPath, secret);
            }
            // 获取公钥和私钥
            this.publicKey = RsaUtils.getPublicKey(pubKeyPath);
            this.privateKey = RsaUtils.getPrivateKey(priKeyPath);
        }
        catch (Exception e) {
            logger.error("初始化公钥和私钥失败！", e);
            throw new RuntimeException();
        }
    }
    
    // getter setter ...
}
